cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A254537 Number of length n 1..(6+2) arrays with no leading partial sum equal to a prime.

Table of values

n a(n)
1 4
2 20
3 105
4 576
5 3383
6 20393
7 121774
8 709169
9 4121638
10 24622476
11 150895459
12 928855881
13 5659650136
14 34105862488
15 205228295685
16 1249619101830
17 7761595614134
18 48955797807546
19 308737202532449
20 1916725035118260

List of values

[4, 20, 105, 576, 3383, 20393, 121774, 709169, 4121638, 24622476, 150895459, 928855881, 5659650136, 34105862488, 205228295685, 1249619101830, 7761595614134, 48955797807546, 308737202532449, 1916725035118260]